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3838340 = 2251173239
BaseRepresentation
bin1110101001000110000100
321020000012202
432221012010
51440311330
6214134032
744424332
oct16510604
97200182
103838340
112191890
121351318
13a4510c
1471cb52
1550c445
hex3a9184

3838340 has 48 divisors (see below), whose sum is σ = 8951040. Its totient is φ = 1370880.

The previous prime is 3838333. The next prime is 3838381. The reversal of 3838340 is 438383.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15941 + ... + 16179.

It is an arithmetic number, because the mean of its divisors is an integer number (186480).

Almost surely, 23838340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3838340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4475520).

3838340 is an abundant number, since it is smaller than the sum of its proper divisors (5112700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3838340 is a wasteful number, since it uses less digits than its factorization.

3838340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3838340 is about 1959.1681908402. The cubic root of 3838340 is about 156.5721375323.

It can be divided in two parts, 3838 and 340, that multiplied together give a triangular number (1304920 = T1615).

The spelling of 3838340 in words is "three million, eight hundred thirty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 73 110 146 220 239 292 365 478 730 803 956 1195 1460 1606 2390 2629 3212 4015 4780 5258 8030 10516 13145 16060 17447 26290 34894 52580 69788 87235 174470 191917 348940 383834 767668 959585 1919170 3838340